Improvement in ash-sifters



PATENT ALFRED H. PULOIFER, O F BROOKLYN, NEW YORK.

IMPROVEMENT IN ASH-SIFTERS.

Specication forming part of Letters Patent No. 125,906, dated April 23,1872.

i ject to make a sieve of this description more efficient and easier ofoperation, as will be fully described hereafter.

Figure l of the accompanying drawing is a perspective view of the sieveand detachable bottom as used together. Fig. 2 is a bottom view. Fig. 3is a vertical section through the ian ged head upon which the sieveworks.

Similar letters of reference indicate correspondin g parts in thedrawing.

General Description.

The sieve shown in Fig. 1 of the drawing is constructed in accordancewith my invention, and is ready for operation when the substance to besifted is placed within it.

A represents the receiver, provided with suitable wiregauze, or othersittin g medium,

stretched across the opening in the bottom, and

furnished with a cover and suitable handles B is a cover or head, `madeof such form as to i lit over and cover up the top of the barrel orreceptacle into which the refuse dust or ashes is sifted. It is providedwith a circular opening, in which the circular ange C, projecting fromthe bottom of the sieve A, fits and turns. D D are rollers held insuitable bearings projecting from the bottom of the sieve and arrangedto run upon the head B when the sieve is operated.

The arrangement of the cover or head B and the circular angeC confinesthe dust and ashes within the barrel when the sieve is operated, andprevents them escaping into the air; and the friction-rollers D renderthe operationof siftin g comparatively easy.

Claim.

The combination, with the sifter A, provided with its ianged bottom Cand rollers D D, of the iianged cover and track B, constructed .andoperating substantially asdescribed.

